HomeElectrical, Charging and Starting > SensorsStandard Ignition BSC57 Battery Current Sensor
Part #: BSC57

Standard Ignition BSC57 Battery Current Sensor

⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, TT Quattro
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Overview of Standard Ignition Battery Current Sensor BSC57

The Standard Ignition Battery Current Sensor BSC57 is designed specifically for Audi TT Quattro models, providing accurate monitoring of battery current flow. This sensor features a female oval plug-in connector and a male bullet terminal configuration, ensuring reliable electrical connections within the charging system.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Connector Shape: Oval
  • Connector Type: Plug in
  • Terminal Gender: Male
  • Terminal Quantity: 3
  • Terminal Type: Bullet

Detailed Description of the Battery Current Sensor

The Standard Ignition BSC57 battery current sensor is engineered to fit the electrical system of the Audi TT Quattro, accurately measuring the current flowing to and from the battery. Its single female oval plug-in connector allows for a secure and straightforward connection, while the three male bullet terminals provide stable contact points for electrical transmission. This sensor plays a critical role in the vehicle’s charging and starting system by delivering precise current data to the engine control unit, helping maintain optimal battery performance and vehicle reliability.

Common Applications and Issues Addressed

  • Detects irregular battery current flow to prevent electrical faults
  • Helps diagnose charging system malfunctions in Audi TT Quattro
  • Supports accurate battery monitoring to avoid unexpected battery drain
  • Assists in maintaining proper alternator function
  • Prevents starting issues related to faulty current sensing

Installation Notes and Tips

When installing the Standard Ignition BSC57 sensor, ensure the female oval plug-in connector is securely attached to the corresponding harness on the Audi TT Quattro. Verify that the three male bullet terminals are properly seated to avoid loose connections that could affect sensor performance. It is recommended to disconnect the battery before installation to prevent electrical shorts. Proper alignment and secure fastening will help maintain sensor accuracy and longevity.

Quality Assurance and Warranty Information

Standard Ignition parts, including the BSC57 battery current sensor, are manufactured to meet or exceed OEM specifications for fit, form, and function. This sensor undergoes rigorous quality control testing to ensure reliable performance in the Audi TT Quattro’s electrical system. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship to provide confidence in product durability.

BrandStandard Ignition
Part NumberBSC57
Connector GenderFemale
Connector ShapeOval
Connector TypePlug In
Terminal GenderMale
Terminal TypeBullet

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2023AudiTT QuattroN/ABattery Current / Volt Sensor
2022AudiTT QuattroN/ABattery Current / Volt Sensor
2021AudiTT QuattroN/ABattery Current / Volt Sensor
2020AudiTT QuattroN/ABattery Current / Volt Sensor
2019AudiTT QuattroN/ABattery Current / Volt Sensor
2018AudiTT QuattroN/ABattery Current / Volt Sensor
2017AudiTT QuattroN/A
2016AudiTT QuattroN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8S0915181ABCSB10041CTB59SBC58

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.